Finding the Fourth Proportional to 28,896,714.05, 39,879,256.97 and 16,019,658.05
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Solution
The fourth proportional to 28,896,714.05, 39,879,256.97 and 16,019,658.05 is: 22,108,121.32
Step by Step Solution
- Step 1: Write the proportion equation
28,896,714.05 : 39,879,256.97 = 16,019,658.05 : x - Step 2: Convert to fraction form
28,896,714.05/39,879,256.97 = 16,019,658.05/x - Step 3: Cross multiply
28,896,714.05x = 39,879,256.97 × 16,019,658.05 - Step 4: Simplify right side
28,896,714.05x = 638,852,059,788,131.88 - Step 5: Solve for x
x = 638,852,059,788,131.88/28,896,714.05 - Step 6: Final answer
x = 22,108,121.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.